Which of the following are the main components of language?

What is an old-growth forest?

Cognition is a mental ability that involves:

Wind power could theoretically meet all global energy needs.

The prefrontal cortex of the frontal lobe is responsible for:

Which process causes nutrient enrichment and algal blooms in water bodies?

Which law established the goal of “fishable and swimmable” water quality for all U.S. surface waters?

Which factor is the most common root cause of famines?

What is the ultimate energy source for nearly all life on Earth?

Coliform bacteria in water indicate possible presence of pathogens.